RTP is a game’s long-run average payout, not a promise for your session: 96%...

https://www.bookmark-belt.win/rtp-describes-the-long-run-average-return-the-house-edge-is-the-casino-s

RTP is a game’s long-run average payout, not a promise for your session: 96% RTP means a 4% house edge on average over time